This is a now out-of-print video/DVD documentary about the two Peter Cushing Dalek fims of the 1960s. Links to download Dalekmania at the bottom of this post,
“A trip to the cinema for two kids lands them in the world of Dr. Who and the Daleks (1965). A behind-the-scenes documentary about the two 1960s “Dr. Who” movies starring Peter Cushing, spin-offs from the BBC TV series “Doctor Who” (1963). Includes clips from the movies, various trailers, and interviews with the original cast and crew. Written by Kevin Davies (Director)”
Please note : I did not upload these files and I have no idea how long they will be available.